The major product formed in the following reaction is + Δ · ABC26OR0145
Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Exam: CSIR NET JUNE 2013 · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is 
+ 
+ \[ \xrightarrow{\;\Delta\;} \]
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
The benzocyclobutene opens on heating to the o-quinodimethane with CN outward; endo Diels–Alder with 1,4-naphthoquinone then gives the cyano-substituted tetracyclic dione (c) — the only option that retains the CN group.
Study loop for Pericyclic Reactions